介绍了敌方隐身目标的威胁、P 波段反隐身的基本原理及该频段电磁散射特性的研究现状,分析了基于快速多极子技术的全波数值仿真方法在隐身目标散射特性精确求解中的独特作用;阐释了基于快速多极子技术的全波数值仿真方案实施的矩量法原理、快速多极子技术、预处理算法及高效迭代求解技术,通过与标准体的测量结果对比,验证了仿真方案的可靠性及精度;利用文中提出的仿真框架对几种典型的隐身目标进行数值仿真,讨论了隐身目标在P 波段的电磁散射特性。

It is introduced briefly to the threat of radar stealth military targets, basic principle of P-band anti-stealth and status of electromagnetic scattering in P-band. The unique role is analyzed on full wave numerical method based on fast multi-pole technology in the exact solution of stealth targets scattering characteristics. The method of moment fast multi-pole technology, pre-processing method and iterative solution technology are explained based on full wave numerical of fast multi-pole. Reliability and precision are validated compared with measurement of benchmark target. The electromagnetic scattering properties of several radar stealth targets are analyzed using the proposed efficient and accurate full wave numerical method.

TN957